bugfix for circular imports in PCAPNG protocol

Author: JarryShaw

pcapkit/protocols/misc/pcapng.py

@@ -25,7 +25,6 @@
 import time
 from typing import TYPE_CHECKING, cast, overload
 
-from pcapkit import __version__
 from pcapkit.const.pcapng.block_type import BlockType as Enum_BlockType
 from pcapkit.const.pcapng.filter_type import FilterType as Enum_FilterType
 from pcapkit.const.pcapng.hash_algorithm import HashAlgorithm as Enum_HashAlgorithm
@@ -4303,13 +4302,15 @@ def _make_secrets_tls(self, type: 'Enum_SecretsType', secrets: 'Optional[Data_TL
             Constructed secrets schema.
 
         """
+        from pcapkit import __version__
+
         if secrets is not None:
             entries = secrets.entries
 
         if entries is None:
             entries = {}
 
-        data = [f'# generated by PyPCAPKit version {__version__}{os.sep}']  # type: list[str]
+        data = [f'# generated by PyPCAPKit v{__version__} at {datetime.datetime.now().isoformat()}{os.sep}']  # type: list[str]
         for label, entry in entries.items():
             for k, v in entry.items(multi=True):
                 data.append(f'{label.name} {k.hex()} {v.hex()}{os.sep}')
@@ -4333,13 +4334,15 @@ def _make_secrets_wireguard(self, type: 'Enum_SecretsType', secrets: 'Optional[D
             Constructed secrets schema.
 
         """
+        from pcapkit import __version__
+
         if secrets is not None:
             entries = secrets.entries
 
         if entries is None:
             entries = OrderedMultiDict()
 
-        data = [f'# generated by PyPCAPKit version {__version__}{os.sep}']  # type: list[str]
+        data = [f'# generated by PyPCAPKit v{__version__} at {datetime.datetime.now().isoformat()}{os.sep}']  # type: list[str]
         for label, value in entries:
             data.append(f'{label} = {value}{os.sep}')